Abstract
Contention resolution over a multiple-access channel can be modeled as a k-selection problem in wireless networks, where a subset k of n network nodes want to broadcast their messages over a shared channel. This paper studies a dynamic version of this problem, which assumes that k messages arrive at an arbitrary set of k nodes (contenders) asynchronously and the message arrival pattern is determined by an on-line adversary. Under this harsh and more practical assumption, we give a randomized distributed algorithm which can guarantee any contender deliver its message in O(k + log2 n) rounds with high probability. Our proposed algorithm neither relies on collision detection, nor a global clock or any knowledge about the contenders, not even its size k. Furthermore, we do not assume the channel can provide any kind of feedback information, which makes our protocol work in simple channels, such as the channels used in wireless sensor networks.
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Yu, D., Hua, QS., Dai, W., Wang, Y., Lau, F.C.M. (2012). Dynamic Contention Resolution in Multiple-Access Channels. In: Koucheryavy, Y., Mamatas, L., Matta, I., Tsaoussidis, V. (eds) Wired/Wireless Internet Communication. WWIC 2012. Lecture Notes in Computer Science, vol 7277. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30630-3_20
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DOI: https://doi.org/10.1007/978-3-642-30630-3_20
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